Preparation
4-Nitrosophenol, 4-Nitrophenol or 4-Aminophenol and Sodium sulfide and sulfur heating. Through the following methods: (a) sulfide in the return of boiling or (b) 209 ~ 300 ℃ calcination. The (b) method for dye color shade darker.
Properties and Applications
olive green. good solubility in sodium sulfide solution, for olive.
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Standard
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Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
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Severe
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ISO
|
3
|
3
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5
|
|
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4
|
3
|
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AATCC
|
5
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2-3
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5
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2
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|
3
|
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